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This module contains the Metro runtime code.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2013-2014 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
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*/
package com.sun.xml.bind.v2.model.impl;
import com.sun.xml.bind.v2.model.nav.Navigator;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Utils class.
* Has *package private* access to avoid inappropriate usage.
*/
/* package */ final class Utils {
private static final Logger LOGGER = Logger.getLogger(Utils.class.getName());
/**
* static ReflectionNavigator field to avoid usage of reflection every time we use it.
*/
/* package */ static final Navigator REFLECTION_NAVIGATOR;
static { // we statically initializing REFLECTION_NAVIGATOR property
Class refNav = null;
try {
refNav = Class.forName("com.sun.xml.bind.v2.model.nav.ReflectionNavigator");
//noinspection unchecked
Method getInstance = refNav.getDeclaredMethod("getInstance");
getInstance.setAccessible(true);
//noinspection unchecked
REFLECTION_NAVIGATOR = (Navigator) getInstance.invoke(null);
} catch (ClassNotFoundException e) {
e.printStackTrace();
throw new IllegalStateException("Can't find ReflectionNavigator class");
} catch (InvocationTargetException e) {
e.printStackTrace();
throw new IllegalStateException("ReflectionNavigator.getInstance throws the exception");
} catch (NoSuchMethodException e) {
e.printStackTrace();
throw new IllegalStateException("ReflectionNavigator.getInstance can't be found");
} catch (IllegalAccessException e) {
e.printStackTrace();
throw new IllegalStateException("ReflectionNavigator.getInstance method is inaccessible");
} catch (SecurityException e) {
LOGGER.log(Level.FINE, "Unable to access ReflectionNavigator.getInstance", e);
throw e;
}
}
/**
* private constructor to avoid util class instantiating
*/
private Utils() {
}
}